#!/usr/bin/env node

const log=console.log,
      user={
        name:'zhaofuyu',
        age:20,
        qq:'1716185233'
      };

log('name:\t%s',user.name);
log('age:\t%d',user.age);
log('usr:\t%j',user);
//log('age:\t'+user.age);

log('qq:\t',user.qq);
log('qq:\t'+user.qq);

//log('name:\t%s\nage:\t%d\nuser:\t%j',user.name,user.age,user);

console.error('Error! something wrong!');


console.table(user);
